Magnetic head and magnetic reproducing apparatus

Details Magnetic head and magnetic reproducing apparatus Magnetic head and magnetic reproducing apparatus

2005-09-06

2005-09-06

Chen, Tianjie (Department: 2652)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

Reexamination Certificate

active

06940700

ABSTRACT:
In a magnetic head having magnetic yoke layers, each magnetic yoke layer includes a yoke projecting portion (2A) projected toward a recording medium, and yoke setback portions (2B) set back from the yoke projecting portion. A first bias magnetic field applying film (5) of an antiferromagnetic material is formed to cover the yoke projecting portion whereas a second bias magnetic field applying film (6) of a ferromagnetic material may be formed on opposite side surfaces of the yoke projecting portion.

REFERENCES:
patent: 6388846 (2002-05-01), Albertini et al.
patent: 2004/0160705 (2004-08-01), Hara et al.
patent: 475397 (1992-03-01), None
patent: 04121808 (1992-04-01), None
patent: 7-235020 (1995-09-01), None
patent: 2000285416 (2000-10-01), None

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